Troubleshooting; Troubleshooting Gear Motors; The Gear Motor Will Not Run; The Gear Motor Starts Buts Trips Repeatedly On The Overload Protector - Cornelius CMP 600-30 Service Manual

!
WARNING:
Only trained and certified electrical, plumbing and refrigeration technicians should service this unit.
All wiring and plumbing must conform to national and local codes. Failure to comply could
result in serious injury, death or equipment damage.
T
ROUBLESHOOTING
Basically, Gear motor problems can be narrowed down to three areas of checkout.

The Gear motor will not run

1. No voltage to the transmission terminals – check external circuit.
2. Low voltage – check supply.
3. Problems in the gear motor electrical circuit. See Figure 5.

The Gear motor Starts buts Trips Repeatedly on the Overload Protector:

1. Voltage – high or low voltage can cause the overload to trip.
2. High Gear motor amperage draw, see Specification Chart for ratings and Troubleshooting Guide.

The Motor Runs but Output Shaft does not Rotate:

Replace defective gear motor.
!
WARNING:
Disconnect power to the unit before servicing. Follow all lock out/tag out procedures established by the user. Verify all
power is off to the unit before performing any work.
Failure to comply could result in serious injury, death or damage to the equipment.
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VERLOAD HECK
1. Allow motor to cool and reset overload if necessary.
2. Remove motor end bell and stator, if necessary.
3. Check terminals 1 and 3 on overload. No continuity replace overload. Use a volt–ohm meter. See Figure 5 and
Figure 6.
© 2004-2014, Cornelius Inc.

TROUBLESHOOTING

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EAR OTORS
Figure 5. Output Shaft
:
CMP600-30 Icemaker Dispenser Service Manual
- 13 - Publication Number: 630460050SER